{"id":"CVE-2021-43877","details":"ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability","aliases":["BIT-aspnet-core-2021-43877"],"modified":"2026-05-18T05:55:39.554625232Z","published":"2021-12-15T15:15:10.950Z","database_specific":{"unresolved_ranges":[{"source":"CPE_FIELD","extracted_events":[{"last_affected":"16.7"},{"last_affected":"16.9"},{"last_affected":"16.11"}],"vendor_product":"microsoft:visual_studio_2019","cpes":["cpe:2.3:a:microsoft:visual_studio_2019:16.11:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*"]},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"17.0"}],"vendor_product":"microsoft:visual_studio_2022","cpes":["cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*"]}]},"references":[{"type":"FIX","url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/aspnetcore","events":[{"introduced":"0"},{"last_affected":"03019875e4eab279a99ba3ba5ee75fb0e4935ce6"},{"last_affected":"a7515261e44b7d418e8ccf2bc4437e83dd636b29"},{"last_affected":"ae1a6cbe225b99c0bf38b7e31bf60cb653b73a52"}],"database_specific":{"source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"3.1"},{"last_affected":"5.0"},{"last_affected":"6.0"}],"cpe":["cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*"]}}],"versions":["release/3.1","release/5.0","v6.0.0","v5.0.1","v5.0.0","v3.1.10","v3.1.9","v5.0.0-rc.1.20451.17","v3.1.8","v3.1.3","v3.1.2","v3.1.0","v3.1.0-preview3.19555.2","v3.0.0-preview-19075-0444","v3.0.0-preview-18579-0056","1.1.5","1.0.7","2.0.0","2.0.0-preview2","2.0.0-preview1","1.1.3","1.1.2","1.0.5","1.1.1","1.0.4","1.0.3","1.1.0","1.1.0-preview1","1.0.0","1.0.1","1.0.0-rc2-final","1.0.0-rc2","v1.0.0-rc1-update1","v1.0.0-rc1-final","v1.0.0-beta8","v1.0.0-beta7","v1.0.0-beta6","v1.0.0-beta5","v1.0.0-beta4","v1.0.0-alpha3","v1.0.0-alpha2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-43877.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}